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杉木与主要阔叶造林树种叶凋落物的混合分解
引用本文:廖利平,马越强,汪思龙,高洪,于小军.杉木与主要阔叶造林树种叶凋落物的混合分解[J].植物生态学报,2000,24(1):27-33.
作者姓名:廖利平  马越强  汪思龙  高洪  于小军
作者单位:中国科学院沈阳应用生态研究所,沈阳
基金项目:中国科学院资助!重大项目( KZ95 1-A1-3 0 1)、特别支持项目 ( KZ95 T-0 4)
摘    要:杉木(Cunninghamia lanceolata)与主要阔叶造林树种叶凋落物混合分解实验是用网袋法进行的。目的是检验“杉木叶凋落物与阔叶凋落物混合分解时,杉木叶凋落物的分解速率和养分释放都可得到加强”这样一个假设。结果发现,杉木与火力楠(Michelia macclurei var.subalanea)、桤木(Alnus cremastogyne)叶凋落物混合分解时分解速率有较强的促进作用,而

关 键 词:杉木  叶凋落物  混合分解  养分释放
修稿时间:1999-03-05

DECOMPOSITION OF LEAF LITTER OF CHINESE FIR IN MIXTURE WITH MAJOR ASSOCIATED BROAD LEAVED PLANTATION SPECIES
LIAO Li-Ping.DECOMPOSITION OF LEAF LITTER OF CHINESE FIR IN MIXTURE WITH MAJOR ASSOCIATED BROAD LEAVED PLANTATION SPECIES[J].Acta Phytoecologica Sinica,2000,24(1):27-33.
Authors:LIAO Li-Ping
Abstract:Decomposition of Chinese fir leaf litter when co occurring with broad leaved species Michelia macclurei var. sublanea, Alnus cremastogyne, Schima superba, Kalopanax pictus, Castanopsis hystrix and Cinnamomum camphora was examined using litter bag method to test the hypothesis that decomposition of Chinese fir leaf litter could be accelerated by the presence of broad leaved litter. Weight loss rate of Chinese fir was increased significantly by M. macclurei var. sublanea, A. cremastogyne, but not by S. superba, K. pictus, Castanopsis hytrix or Cinnamomum camphora. The nutrient release was enhanced to different degrees by litter of all broad leaved leaf species with the exception of S. superba which had no effect. With increasing initial nitrogen concentration of broad leaved leaf litter, the larger the enhancement. A. cremastogyne was the first choice as the companion species in the mixed plantations of Chinese fir, secondly K. pictus, thirdly M. macclurei and Castanopsis hystrix ,and lastly Cinnamomum camphora and Schima superba.
Keywords:Chinese fir  Leaf litter  Decomposition in mixture  Nutrient release  
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